<!DOCTYPE html>
<link rel="author" title="Morten Stenshorne" href="mailto:mstensho@chromium.org">
<style>
  .container {
      float: left;
      width: 200px;
      height: 100px;
      margin-right: 10px;
  }
  .box {
      border-radius: 15px;
      border: 20px solid hotpink;
      background: yellow;
  }
  .skip-start {
      border-top-left-radius: 0;
      border-top-right-radius: 0;
      border-top: none;
  }
  .skip-end {
      border-bottom-left-radius: 0;
      border-bottom-right-radius: 0;
      border-bottom: none;
  }
</style>
<p>There should be a yellow box that starts in the first column and ends in the
  third. The border should be rounded at the start (first column) and at the end
  (last column).</p>
<div class="container">
  <div class="box skip-end" style="height:80px;"></div>
</div>
<div class="container">
  <div class="box skip-start skip-end" style="height:100px;"></div>
</div>
<div class="container">
  <div class="box skip-start" style="height:70px;"></div>
</div>
